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प्रश्न
What are fuels?
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उत्तर
Fuels: The substances which burn in air to produce a large amount of energy in the form of heat and light are called fuels.
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संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
Fill in the blanks
Oxygen is used in ___________the food to get _______.
What happens if the percentage of oxygen in the air reaches to 70%?
Explain why during an incident of fire, one is advised to wrap a woollen blanket over a burning object.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
What is the composition of air?
______ is necessary for all acids.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Mountaineers carry oxygen ______ with them, while climbing high mountains.
